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Analysis of the Advantages and Disadvantages of FDM, SLA, and SLS3D Printing Technologies

2023-06-26 17:29

Today's main focus is on the advantages and disadvantages of FDM, SLA, and SLS3D printing technologies.
1、 FDM
1. Easy to operate and maintain
Compared to other major 3D printing methods, it is more cost-effective and cost-effective
3. Relatively clean, no need to use irritating chemicals
4. The device size can be placed on the desktop, suitable for office or home use
5. Multiple materials can be selected, such as engineering plastics ABS, PC, PPS, and medical ABS in various colors
6. The material has excellent strength and toughness, and can be assembled for functional testing
7. Relatively low equipment prices help shorten product delivery times

1. The surface usually has stacked patterns
2. The forming speed is relatively slow and not suitable for constructing large parts
3. The nozzle is prone to blockage and maintenance is inconvenient

2、 SLA
1. Suitable for parts with complex shapes
2. Good surface quality, relatively smooth, suitable for making fine parts
3. It can present the best details and is an ideal practice for small parts
4. The equipment is integrated and relatively easy to operate
5. Materials with multiple attributes can be printed
1. The raw materials often have chemical irritation, pungent taste, and flammability
2. Reagents need to be added during post-processing
3. The material is sticky and may contaminate the environment
4. Support structures need to be designed. The support structure needs to be removed before it is fully cured, which can easily damage the formed parts
5. It is not possible to use multiple materials or colors simultaneously during single printing
Compared to the other two technologies, the printable volume is relatively small
7. Hollow parts must be prepared with holes to allow uncured resin to flow out

3、 SLS
1. The finished product has a small amount of powder and no layered texture
2. The parts have high mechanical properties
3. No support required during printing
1. The equipment is relatively large
2. Finished products must wear masks to prevent dust inhalation
3. Few types or colors of materials
4. Equipment and materials are relatively expensive, and operation and maintenance require preliminary learning
5. Need to process and recover powder after processing
6. It is more cost-effective to print a volume that meets the entire container range